Canon NP6320 Service Manual page 219

6. "E210" indication
Cause Step
1
Lens home 2
position
sensor (Q4)
DC controller
PCB
7. "E220" indication
Cause Step
Scanning 1
lamp (LA1)
DC controller 2
PCB
Lamp regula-
tor PCB
8. "E240" indication
Cause Step
DC controller 1
PCB
9. "E261" indication
Cause Step
Power supply 1
PCB
DC controller
PCB
COPYRIGHT © 1999 CANON INC.
Checks
Switch the power ON. Does the lens move
to the left?
Is the lens home position sensor (Q4)
functioning normally? (See p. 10-19.)
Checks
Check if the scanning lamp (LA1) does
not light when copying.
Check if the scanning lamp (LA1) lights
when copier is in standby.
Checks
Does the problem disappear when the DC
controller PCB is replaced?
Checks
Does the problem disappear when the
power suply PCB is replaced?
CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 10 TROUBLESHOOTING
YES/
Action
NO
YES Check from step 2.
NO Refer to the sub-section
"Lens does not move."
NO Check the wiring be-
tween the DC controller
PCB and Q4. If it is nor-
mal, replace Q4.
YES Replace the DC control-
ler PCB.
YES/
Action
NO
YES Refer to the sub-section
"Scanning lamp does not
light."
YES Replace the DC control-
ler PCB.
NO Replace the lamp regula-
tor PCB.
YES/
Action
NO
YES End.
YES/
Action
NO
YES End.
NO Replace the DC control-
ler PCB.
10-41